Who was the first person to use the word "master"?

Today, why don't you think about the Japanese language we use without thinking about it?
Here's a Japanese quiz from a veteran translator with a wealth of experience translating papers!
A person who excels in one art is called a "Meijin",
Which of the following is said to have been the first person to use this word?
1. Nobunaga Oda used the term for his instructor in the game of Go. 2.
2. Hideyoshi Toyotomi used the term for his retainer who was a good tree climber. 3.
3. Ieyasu Tokugawa used it for a medicine man (doctor) who cured his illness.
So, it all started with a historical figure that you all know well!
The correct answers are
1. Nobunaga Oda.
In praise of the skill of Nobunaga's Go instructor, Nikkai (later Honinbo Tasuga), Nobunaga said
It is said that it started when he praised the skill of his instructor, Nikkai (later Honinbo Arisuna), and said, "You are a true master of Go.
Even if you use this word casually in your daily life, you will be able to see it in a different light if you look up the origin of the word.